Advent of OSINT 2025 - 24-day challenge for beginners (solution for the first days)

In the article published on Infosec Writeups, the author presents an interesting approach to investigating open-source intelligence (OSINT) in the context of challenges organized under the title 'Advent of OSINT'. The theme of this challenge focuses on various techniques and tools that can be used for ethically and effectively gathering public data. The challenges are divided into specific days, with each day bringing new tasks to undertake. Particularly, days 1 to 4 cover topics related to social media data analysis, domain detection, and methods for easily collecting information from various sources. Each task poses questions that encourage deeper analysis and skill development in the field of IT security.

The techniques mentioned aim not only at enhancing user skills but also at promoting healthy practices for addressing problems related to open-source data. The article describes specific methods that are practical and straightforward to apply in daily life, as well as in the work of security professionals. The author also provides hints about tools that can expedite the process of gathering and analyzing information significantly.

The tasks provide not only theoretical knowledge but also practical skills that can be useful in various fields, such as risk analysis, information security, or even marketing. Participants of the challenges can also track their progress and learn from each other, making this initiative even more valuable. The appeal of the challenge lies in its accessibility and that anyone with a desire to learn can test their skills.

In conclusion, 'Advent of OSINT' presents a fantastic opportunity for anyone wishing to delve into the topic of open-source intelligence and transform this knowledge into practical skills. The article not only introduces a new challenge but also welcomes readers into a fantastic community of IT professionals and researchers. I highly recommend that anyone interested put their skills to the test in this challenge to avoid stagnation in their careers and improve their skills in the area of IT security.